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When the iPhone Home screen appears (see Figure 2-1), you see a colorful background and two sets of icons.

FIGURE 2-1

One set of icons appears in the Dock, along the bottom of the screen. The Dock contains the Phone, Safari, Messages, and Music app icons by default, though you can swap out one app for another. You can add new apps to populate as many as 10 additional Home screens for a total of 11 Home screens. The Dock appears on every Home screen.

Other icons appear above the Dock and are closer to the top of the screen. (I cover all these icons in the “Take Inventory of Preinstalled Apps” task, in Chapter 3.) Different icons appear in this area on each Home screen. You can also nest apps in folders, which almost gives you the possibility of storing limitless apps on your iPhone. You are, in fact, limited — but only by your phone’s memory.

Treat the iPhone screen carefully. It’s made of glass and it will break if an unreasonable amount of force is applied.

The iPhone uses touchscreen technology: When you swipe your finger across the screen or tap it, you’re providing input to the device just as you do to a computer using a mouse or keyboard. You hear more about the touchscreen in the next task, but for now, go ahead and play with it for a few minutes — really, you can’t hurt anything. Use the pads of your fingertips (not your fingernails) and try these tasks:

 Tap the Settings icon. The various settings (which you read more about throughout this book) appear, as shown in Figure 2-2. To return to the Home screen, press the Home button for many iPhone models. If you have an iPhone without a Home button, swipe up from the very bottom edge of your screen.

 Swipe a finger from right to left on the Home screen. This action moves you to the next Home screen. The little white dots at the bottom of the screen, above the Dock icons, indicate which Home screen is displayed.

 To experience the screen rotation feature, hold the iPhone firmly while turning it sideways. The screen flips to the horizontal (or landscape) orientation, if the app you’re in supports it.FIGURE 2-2To flip the screen back, just turn the device so that it’s oriented like a piece of paper again (this is called portrait mode). (Some apps force iPhone to stay in one orientation or the other.)

 Drag your finger down from the very top edge of the screen to reveal such items as notifications, reminders, and calendar entries. Drag up from the very bottom edge of the Home screen to hide these items, and then drag up on iPhone models with Home buttons to display Control Center (containing commonly used controls and tools and discussed later in this chapter). If your iPhone doesn’t have a Home button, swipe down from the top right corner of the screen towards the center to open Control Center.